“Modern Marvels” is a video series that focuses on the effect and use of technology in various aspects of modern society. It aired on the History Channel. Each video is approximately 45-50 minutes in length and would be a great addition to any CTE or STEM class.The “Welding” episode discusses how technology is used in relation to electric arc welding, stick welding, explosion welding, underwater welding, industrial spot welding, and friction welding with plastics.The video viewing guide is a res